Optical and magneto-optical absorption in parabolic quantum wells

L. Brey, Neil F Johnson, B. I. Halperin

Research output: Contribution to journalArticle

419 Citations (Scopus)

Abstract

We show that an n-doped parabolic quantum well absorbs far infrared radiation at the bare harmonic-oscillator frequency 0 independently of the electron-electron interaction and the number of electrons in the well. In the presence of a magnetic field tilted with respect to the plane of the quantum well, we find that the cyclotron resonance becomes coupled to this 0 frequency mode. The absorption then occurs at two frequencies, which are again independent of the electron-electron interaction and the fractional filling of the well.

Original languageEnglish (US)
Pages (from-to)10647-10649
Number of pages3
JournalPhysical Review B
Volume40
Issue number15
DOIs
StatePublished - 1989
Externally publishedYes

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Electron-electron interactions
Light absorption
Semiconductor quantum wells
optical absorption
quantum wells
Cyclotron resonance
electron scattering
far infrared radiation
electrons
Magnetic fields
cyclotron resonance
Infrared radiation
harmonic oscillators
Electrons
magnetic fields

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Optical and magneto-optical absorption in parabolic quantum wells. / Brey, L.; Johnson, Neil F; Halperin, B. I.

In: Physical Review B, Vol. 40, No. 15, 1989, p. 10647-10649.

Research output: Contribution to journalArticle

Brey, L, Johnson, NF & Halperin, BI 1989, 'Optical and magneto-optical absorption in parabolic quantum wells', Physical Review B, vol. 40, no. 15, pp. 10647-10649. https://doi.org/10.1103/PhysRevB.40.10647
Brey, L. ; Johnson, Neil F ; Halperin, B. I. / Optical and magneto-optical absorption in parabolic quantum wells. In: Physical Review B. 1989 ; Vol. 40, No. 15. pp. 10647-10649.
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